Finding the Fourth Proportional to 14,569.58, 20,105.98 and 8,196.17

Step by Step Solution

1. Step 1: Write the proportion equation
   14,569.58 : 20,105.98 = 8,196.17 : x
2. Step 2: Convert to fraction form
   14,569.58/20,105.98 = 8,196.17/x
3. Step 3: Cross multiply
   14,569.58x = 20,105.98 × 8,196.17
4. Step 4: Simplify right side
   14,569.58x = 164,792,079.80
5. Step 5: Solve for x
   x = 164,792,079.80/14,569.58
6. Step 6: Final answer
   x = 11,310.70